essentially the government would be forced to buy milk at double the average cost. that could push the price for a gallon of milk to over $7. >>> today is the second and final round of voting on a referendum for egypt's new draft constitution. it comes one day after clashes in alexandria between supporters and opponents of president mohamed morsi. the constitution which passed a first phase of voting last week has sparked concerns over the power it creates for morsi. >>> "gangnam style" by the south korean rapper is the first video in the history of the internet to surpass one billion views. if you haven't seen it yet, here is a look at what you've been missing. [ "gangnam style" ] ♪ >> is there anyone really who hasn't seen that? is there anyone left? it's amazing. boy. i love that music. >>> we have much more ahead in the next hour of "cnn saturday morning" which starts after a short break. keep it here. and cut! very good. people are always asking me how we make these geico adverts. so we're taking you behind the scenes. this coffee cup, for example, is compute